Home / 1,458,789.60-2,187,965.52-461,388

Finding the Fourth Proportional to 1,458,789.60, 2,187,965.52 and 461,388

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Solution

The fourth proportional to 1,458,789.60, 2,187,965.52 and 461,388 is: 692,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,789.60 : 2,187,965.52 = 461,388 : x
  2. Step 2: Convert to fraction form
    1,458,789.60/2,187,965.52 = 461,388/x
  3. Step 3: Cross multiply
    1,458,789.60x = 2,187,965.52 × 461,388
  4. Step 4: Simplify right side
    1,458,789.60x = 1,009,501,035,341.76
  5. Step 5: Solve for x
    x = 1,009,501,035,341.76/1,458,789.60
  6. Step 6: Final answer
    x = 692,012.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.